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(Tcl) Create XAdES-T Signed XMLSee more XAdES ExamplesThis example signs XML using the XAdES-T profile. XAdES-T is a profile within the XAdES standard that adds support for secure timestamping of signatures. Secure timestamping involves adding a timestamp to the signature, indicating the exact time when the signature was applied. Timestamping enhances the long-term validity of signatures by providing evidence that the signature existed at a specific point in time, even if the signer's certificate has expired or been revoked. XAdES-T signatures include elements for embedding timestamp data within the XML signature, along with information about the timestamp authority and the timestamp verification process. XAdES-T signatures are suitable for scenarios where long-term validity and integrity of signatures are essential, such as in legal and regulatory contexts where archived documents may need to be validated years or decades later.
load ./chilkat.dll # This example requires the Chilkat API to have been previously unlocked. # See Global Unlock Sample for sample code. set success 1 # Create the XML to be signed... # Use this online tool to generate code from sample XML: # Generate Code to Create XML # <?xml version="1.0" encoding="UTF-8"?> # <es:Dossier xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ds="http://www.w3.org/2000/09/xmldsig#" xmlns="http://uri.etsi.org/01903/v1.3.2#" xmlns:es="https://www.microsec.hu/ds/e-szigno30#" xsi:schemaLocation="https://www.microsec.hu/ds/e-szigno30# https://www.microsec.hu/ds/e-szigno30.xsd"> # <es:DossierProfile Id="PObject0" OBJREF="Object0"> # <es:Title>e-akta.es3</es:Title> # <es:E-category>electronic dossier</es:E-category> # <es:CreationDate>2022-12-02T07:55:16Z</es:CreationDate> # </es:DossierProfile> # <es:Documents Id="Object0"/> # </es:Dossier> set xmlToSign [new_CkXml] CkXml_put_Tag $xmlToSign "es:Dossier" CkXml_AddAttribute $xmlToSign "xmlns:xsi" "http://www.w3.org/2001/XMLSchema-instance" CkXml_AddAttribute $xmlToSign "xmlns:ds" "http://www.w3.org/2000/09/xmldsig#" CkXml_AddAttribute $xmlToSign "xmlns" "http://uri.etsi.org/01903/v1.3.2#" CkXml_AddAttribute $xmlToSign "xmlns:es" "https://www.microsec.hu/ds/e-szigno30#" CkXml_AddAttribute $xmlToSign "xsi:schemaLocation" "https://www.microsec.hu/ds/e-szigno30# https://www.microsec.hu/ds/e-szigno30.xsd" CkXml_UpdateAttrAt $xmlToSign "es:DossierProfile" 1 "Id" "PObject0" CkXml_UpdateAttrAt $xmlToSign "es:DossierProfile" 1 "OBJREF" "Object0" CkXml_UpdateChildContent $xmlToSign "es:DossierProfile|es:Title" "e-akta.es3" CkXml_UpdateChildContent $xmlToSign "es:DossierProfile|es:E-category" "electronic dossier" CkXml_UpdateChildContent $xmlToSign "es:DossierProfile|es:CreationDate" "2022-12-02T07:55:16Z" CkXml_UpdateAttrAt $xmlToSign "es:Documents" 1 "Id" "Object0" set gen [new_CkXmlDSigGen] CkXmlDSigGen_put_SigLocation $gen "es:Dossier" CkXmlDSigGen_put_SigLocationMod $gen 0 CkXmlDSigGen_put_SigId $gen "S9fe8096e-2cac-415d-9222-f6cf2ecb314b" CkXmlDSigGen_put_SigValueId $gen "VS9fe8096e-2cac-415d-9222-f6cf2ecb314b" CkXmlDSigGen_put_SignedInfoId $gen "SIS9fe8096e-2cac-415d-9222-f6cf2ecb314b" CkXmlDSigGen_put_SignedInfoCanonAlg $gen "EXCL_C14N" CkXmlDSigGen_put_SignedInfoDigestMethod $gen "sha256" # Set the KeyInfoId before adding references.. CkXmlDSigGen_put_KeyInfoId $gen "KS9fe8096e-2cac-415d-9222-f6cf2ecb314b" # Create an Object to be added to the Signature. set object1 [new_CkXml] CkXml_put_Tag $object1 "es:SignatureProfile" CkXml_AddAttribute $object1 "Id" "PS9fe8096e-2cac-415d-9222-f6cf2ecb314b" CkXml_AddAttribute $object1 "OBJREF" "Object0" CkXml_AddAttribute $object1 "SIGREF" "S9fe8096e-2cac-415d-9222-f6cf2ecb314b" CkXml_AddAttribute $object1 "SIGREFLIST" "#Object0 #PS9fe8096e-2cac-415d-9222-f6cf2ecb314b #PObject0 #XS9fe8096e-2cac-415d-9222-f6cf2ecb314b" CkXml_UpdateChildContent $object1 "es:SignerName" "EC Minsített-Tesztel Péterke" CkXml_UpdateChildContent $object1 "es:SDPresented" "false" CkXml_UpdateChildContent $object1 "es:Type" "signature" CkXml_UpdateAttrAt $object1 "es:Generator|es:Program" 1 "name" "e-Szigno" CkXml_UpdateAttrAt $object1 "es:Generator|es:Program" 1 "version" "3.3.6.8" CkXml_UpdateAttrAt $object1 "es:Generator|es:Device" 1 "name" "OpenSSL 1.1.1n 15 Mar 2022" CkXml_UpdateAttrAt $object1 "es:Generator|es:Device" 1 "type" "" CkXmlDSigGen_AddObject $gen "O1S9fe8096e-2cac-415d-9222-f6cf2ecb314b" [CkXml_getXml $object1] "" "" # Create an Object to be added to the Signature. set object2 [new_CkXml] CkXml_put_Tag $object2 "QualifyingProperties" CkXml_AddAttribute $object2 "Target" "#S9fe8096e-2cac-415d-9222-f6cf2ecb314b" CkXml_AddAttribute $object2 "Id" "QPS9fe8096e-2cac-415d-9222-f6cf2ecb314b" CkXml_UpdateAttrAt $object2 "SignedProperties" 1 "Id" "XS9fe8096e-2cac-415d-9222-f6cf2ecb314b" CkXml_UpdateChildContent $object2 "SignedProperties|SignedSignatureProperties|SigningTime" "TO BE GENERATED BY CHILKAT" CkXml_UpdateAttrAt $object2 "SignedProperties|SignedSignatureProperties|SigningCertificateV2|Cert|CertDigest|ds:DigestMethod" 1 "Algorithm" "http://www.w3.org/2001/04/xmlenc#sha256" CkXml_UpdateChildContent $object2 "SignedProperties|SignedSignatureProperties|SigningCertificateV2|Cert|CertDigest|ds:DigestValue" "TO BE GENERATED BY CHILKAT" CkXml_UpdateChildContent $object2 "SignedProperties|SignedSignatureProperties|SigningCertificateV2|Cert|IssuerSerialV2" "TO BE GENERATED BY CHILKAT" CkXml_UpdateChildContent $object2 "SignedProperties|SignedSignatureProperties|SignaturePolicyIdentifier|SignaturePolicyImplied" "" CkXml_UpdateChildContent $object2 "SignedProperties|SignedSignatureProperties|SignerRoleV2|ClaimedRoles|ClaimedRole" "tesztel" # Here we have the EncapsulatedTimestamp found in the unsigned signature properties. CkXml_UpdateAttrAt $object2 "UnsignedProperties|UnsignedSignatureProperties|SignatureTimeStamp" 1 "Id" "T72cb4961-4326-4319-857a-7cf55e7ef899" CkXml_UpdateAttrAt $object2 "UnsignedProperties|UnsignedSignatureProperties|SignatureTimeStamp|ds:CanonicalizationMethod" 1 "Algorithm" "http://www.w3.org/2001/10/xml-exc-c14n#" CkXml_UpdateAttrAt $object2 "UnsignedProperties|UnsignedSignatureProperties|SignatureTimeStamp|EncapsulatedTimeStamp" 1 "Id" "ET72cb4961-4326-4319-857a-7cf55e7ef899" CkXml_UpdateChildContent $object2 "UnsignedProperties|UnsignedSignatureProperties|SignatureTimeStamp|EncapsulatedTimeStamp" "TO BE GENERATED BY CHILKAT" CkXml_UpdateAttrAt $object2 "UnsignedProperties|UnsignedSignatureProperties|TimeStampValidationData" 1 "xmlns" "http://uri.etsi.org/01903/v1.4.1#" CkXml_UpdateAttrAt $object2 "UnsignedProperties|UnsignedSignatureProperties|CertificateValues" 1 "Id" "CV18c7702d-d45b-44bc-853a-a720f41053cd" CkXml_UpdateAttrAt $object2 "UnsignedProperties|UnsignedSignatureProperties|CertificateValues|EncapsulatedX509Certificate" 1 "Id" "EC42db04c8-1422-407b-8c42-189353a55268" CkXml_UpdateChildContent $object2 "UnsignedProperties|UnsignedSignatureProperties|CertificateValues|EncapsulatedX509Certificate" "BASE64_CONTENT" CkXml_UpdateAttrAt $object2 "UnsignedProperties|UnsignedSignatureProperties|CertificateValues|EncapsulatedX509Certificate[1]" 1 "Id" "EC04728b44-a32c-46c1-b9bb-85b1f6b3c7d3" CkXml_UpdateChildContent $object2 "UnsignedProperties|UnsignedSignatureProperties|CertificateValues|EncapsulatedX509Certificate[1]" "BASE64_CONTENT" CkXmlDSigGen_AddObject $gen "O2S9fe8096e-2cac-415d-9222-f6cf2ecb314b" [CkXml_getXml $object2] "" "" # -------- Reference 1 -------- CkXmlDSigGen_AddSameDocRef $gen "Object0" "sha256" "EXCL_C14N" "" "" CkXmlDSigGen_SetRefIdAttr $gen "Object0" "Re1f816c4-7898-4544-9b41-f4156dc0c528" # -------- Reference 2 -------- CkXmlDSigGen_AddObjectRef $gen "PS9fe8096e-2cac-415d-9222-f6cf2ecb314b" "sha256" "EXCL_C14N" "" "" CkXmlDSigGen_SetRefIdAttr $gen "PS9fe8096e-2cac-415d-9222-f6cf2ecb314b" "Ra873b616-e568-4c38-ae94-27fbff67cc43" # -------- Reference 3 -------- CkXmlDSigGen_AddSameDocRef $gen "PObject0" "sha256" "EXCL_C14N" "" "" CkXmlDSigGen_SetRefIdAttr $gen "PObject0" "Ra5d85948-5d6a-4914-8c32-242f5d6d9e81" # -------- Reference 4 -------- CkXmlDSigGen_AddObjectRef $gen "XS9fe8096e-2cac-415d-9222-f6cf2ecb314b" "sha256" "EXCL_C14N" "" "http://uri.etsi.org/01903#SignedProperties" CkXmlDSigGen_SetRefIdAttr $gen "XS9fe8096e-2cac-415d-9222-f6cf2ecb314b" "Ra7412a43-dc05-4e0a-ac84-e9a070214757" # Provide a certificate + private key. (PFX password is test123) set cert [new_CkCert] set success [CkCert_LoadPfxFile $cert "qa_data/pfx/cert_test123.pfx" "test123"] if {$success != 1} then { puts [CkCert_lastErrorText $cert] delete_CkXml $xmlToSign delete_CkXmlDSigGen $gen delete_CkXml $object1 delete_CkXml $object2 delete_CkCert $cert exit } CkXmlDSigGen_SetX509Cert $gen $cert 1 CkXmlDSigGen_put_KeyInfoType $gen "X509Data" CkXmlDSigGen_put_X509Type $gen "Certificate" # ------------------------------------------------------------------------------------------- # To have the EncapsulatedTimeStamp automatically added, we only need to do 2 things. # 1) Add the <xades:EncapsulatedTimeStamp Encoding="http://uri.etsi.org/01903/v1.2.2#DER">TO BE GENERATED BY CHILKAT</xades:EncapsulatedTimeStamp> # to the unsigned properties. # 2) Specify the TSA URL (Timestamping Authority URL). # Here we specify the TSA URL: # ------------------------------------------------------------------------------------------- set jsonTsa [new_CkJsonObject] CkJsonObject_UpdateString $jsonTsa "timestampToken.tsaUrl" "http://timestamp.digicert.com" CkJsonObject_UpdateBool $jsonTsa "timestampToken.requestTsaCert" 1 CkXmlDSigGen_SetTsa $gen $jsonTsa # Load XML to be signed... set sbXml [new_CkStringBuilder] CkXml_GetXmlSb $xmlToSign $sbXml CkXmlDSigGen_put_Behaviors $gen "IndentedSignature,OmitAlreadyDefinedSigNamespace" # Sign the XML... set success [CkXmlDSigGen_CreateXmlDSigSb $gen $sbXml] if {$success != 1} then { puts [CkXmlDSigGen_lastErrorText $gen] delete_CkXml $xmlToSign delete_CkXmlDSigGen $gen delete_CkXml $object1 delete_CkXml $object2 delete_CkCert $cert delete_CkJsonObject $jsonTsa delete_CkStringBuilder $sbXml exit } # ----------------------------------------------- # Save the signed XML to a file. set success [CkStringBuilder_WriteFile $sbXml "c:/temp/qa_output/signedXml.xml" "utf-8" 0] puts [CkStringBuilder_getAsString $sbXml] # ---------------------------------------- # Verify the signatures we just produced... set verifier [new_CkXmlDSig] set success [CkXmlDSig_LoadSignatureSb $verifier $sbXml] if {$success != 1} then { puts [CkXmlDSig_lastErrorText $verifier] delete_CkXml $xmlToSign delete_CkXmlDSigGen $gen delete_CkXml $object1 delete_CkXml $object2 delete_CkCert $cert delete_CkJsonObject $jsonTsa delete_CkStringBuilder $sbXml delete_CkXmlDSig $verifier exit } set numSigs [CkXmlDSig_get_NumSignatures $verifier] set verifyIdx 0 while {$verifyIdx < $numSigs} { CkXmlDSig_put_Selector $verifier $verifyIdx set verified [CkXmlDSig_VerifySignature $verifier 1] if {$verified != 1} then { puts [CkXmlDSig_lastErrorText $verifier] delete_CkXml $xmlToSign delete_CkXmlDSigGen $gen delete_CkXml $object1 delete_CkXml $object2 delete_CkCert $cert delete_CkJsonObject $jsonTsa delete_CkStringBuilder $sbXml delete_CkXmlDSig $verifier exit } set verifyIdx [expr $verifyIdx + 1] } puts "All signatures were successfully verified." delete_CkXml $xmlToSign delete_CkXmlDSigGen $gen delete_CkXml $object1 delete_CkXml $object2 delete_CkCert $cert delete_CkJsonObject $jsonTsa delete_CkStringBuilder $sbXml delete_CkXmlDSig $verifier |
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